The Mako Group's Meprolight FT Bullseye micro optic pistol sight is a revolutionary design that eliminates the need for the front sight. Meprolight's top engineers combined fiber optics and tritium technology to produce a handgun sight that works day or night and in all lighting conditions. The innovative single rear sight is low profile and will not snag on clothing and fits all holsters. Single rear sight, no front sight needed Simple installation No need to replace your existing holster No batteries or maintenance needed Always on, always ready The Meprolight FT Bullseye is simple, fast and accurate. Center the dot in the circle and Mfg: Meprolight